Finding the Fourth Proportional to 2,429.25, 3,641.27 and 1,387.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.25 : 3,641.27 = 1,387.00 : x
2. Step 2: Convert to fraction form
   2,429.25/3,641.27 = 1,387.00/x
3. Step 3: Cross multiply
   2,429.25x = 3,641.27 × 1,387.00
4. Step 4: Simplify right side
   2,429.25x = 5,050,439.11
5. Step 5: Solve for x
   x = 5,050,439.11/2,429.25
6. Step 6: Final answer
   x = 2,079.01